GroundRosterBrian K. Siwinski Sr.Licensed
| Name | Brian K. Siwinski Sr. |
| Company | E2CR Inc |
| License number | MGD173 |
| License type | MASTER WELL DRILLER - GEOTECHNICAL |
| License status | Active — Maryland Board of Well Drillers licensee |
| License expires | 2027-06-01 |
| State | Maryland |
Request a quote from Brian K. Siwinski Sr.
What this license covers
- Drilling / construction: licensed to bore, case, complete, and plug water wells.
How to verify this license
We publish the license details exactly as they appear in Maryland's official licensing records; we do not vouch for the business itself. Before hiring, look up license #MGD173 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Maryland State Board of Well Drillers - active licensees, last checked 2026-08-17. Verify at the official source.
Are you Brian K. Siwinski Sr.? Claim this listing to show your business name on it. It's free, and we confirm every claim before anything changes.